878246656 has 144 divisors (see below), whose sum is σ = 2147475456. Its totient is φ = 349913088.

The previous prime is 878246627. The next prime is 878246659. The reversal of 878246656 is 656642878.

It is a Smith number, since the sum of its digits (52) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (878246659) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3868815 + ... + 3869041.

It is an arithmetic number, because the mean of its divisors is an integer number (14913024).

Almost surely, 2^878246656 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 878246656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1073737728).

878246656 is an abundant number, since it is smaller than the sum of its proper divisors (1269228800).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

878246656 is a wasteful number, since it uses less digits than its factorization.

878246656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 394 (or 380 counting only the distinct ones).

The product of its digits is 3870720, while the sum is 52.

The square root of 878246656 is about 29635.2266061861. The cubic root of 878246656 is about 957.6471083116.

The spelling of 878246656 in words is "eight hundred seventy-eight million, two hundred forty-six thousand, six hundred fifty-six".